73944919 has 2 divisors, whose sum is σ = 73944920. Its totient is φ = 73944918.

The previous prime is 73944887. The next prime is 73944947. The reversal of 73944919 is 91944937.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73944919 - 2⁵ = 73944887 is a prime.

It is a super-2 number, since 2×73944919² = 10935702091833122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73944419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36972459 + 36972460.

It is an arithmetic number, because the mean of its divisors is an integer number (36972460).

Almost surely, 2^73944919 is an apocalyptic number.

73944919 is a deficient number, since it is larger than the sum of its proper divisors (1).

73944919 is an equidigital number, since it uses as much as digits as its factorization.

73944919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 46.

The square root of 73944919 is about 8599.1231529732. The cubic root of 73944919 is about 419.7294535026.

The spelling of 73944919 in words is "seventy-three million, nine hundred forty-four thousand, nine hundred nineteen".